Oki ML490 Microline 420/421 & 490/491 Setup Guide - Page 7

Lower front of cartridge over printhead 1 until it snaps into place., Turn knob 2 clockwise to take - ribbon

Page 7 highlights

Microline 420/421 & 490/491 1. Lower front of cartridge over printhead (1) until it snaps into place. 2. Turn knob (2) clockwise to take up ribbon slack. 7

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Microline 420/421 & 490/491
7
1.
Lower front of cartridge over printhead (1) until it snaps into place.
2.
Turn knob (2) clockwise to take up ribbon slack.